Home / 1,377,989.16-2,067,030.22-1,058,626.42

Finding the Fourth Proportional to 1,377,989.16, 2,067,030.22 and 1,058,626.42

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Solution

The fourth proportional to 1,377,989.16, 2,067,030.22 and 1,058,626.42 is: 1,587,975.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,989.16 : 2,067,030.22 = 1,058,626.42 : x
  2. Step 2: Convert to fraction form
    1,377,989.16/2,067,030.22 = 1,058,626.42/x
  3. Step 3: Cross multiply
    1,377,989.16x = 2,067,030.22 × 1,058,626.42
  4. Step 4: Simplify right side
    1,377,989.16x = 2,188,212,801,830.41
  5. Step 5: Solve for x
    x = 2,188,212,801,830.41/1,377,989.16
  6. Step 6: Final answer
    x = 1,587,975.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.